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drm/amdgpu: cleanup the VM code a bit more

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The src isn't used any more after GART hack removal.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2017-08-30 15:38:45 +02:00 committed by Alex Deucher
parent ea09729c93
commit 570144c652
1 changed files with 5 additions and 15 deletions
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20
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
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@ -1476,7 +1476,6 @@ static int amdgpu_vm_frag_ptes(struct amdgpu_pte_update_params *params,
*
* @adev: amdgpu_device pointer
* @exclusive: fence we need to sync to
* @src: address where to copy page table entries from
* @pages_addr: DMA addresses to use for mapping
* @vm: requested vm
* @start: start of mapped range
@ -1490,7 +1489,6 @@ static int amdgpu_vm_frag_ptes(struct amdgpu_pte_update_params *params,
*/
static int amdgpu_vm_bo_update_mapping(struct amdgpu_device *adev,
struct dma_fence *exclusive,
uint64_t src,
dma_addr_t *pages_addr,
struct amdgpu_vm *vm,
uint64_t start, uint64_t last,
@ -1508,7 +1506,6 @@ static int amdgpu_vm_bo_update_mapping(struct amdgpu_device *adev,
memset(&params, 0, sizeof(params));
params.adev = adev;
params.vm = vm;
params.src = src;
/* sync to everything on unmapping */
if (!(flags & AMDGPU_PTE_VALID))
@ -1548,13 +1545,7 @@ static int amdgpu_vm_bo_update_mapping(struct amdgpu_device *adev,
/* one PDE write for each huge page */
ndw += ((nptes >> adev->vm_manager.block_size) + 1) * 6;
if (src) {
/* only copy commands needed */
ndw += ncmds * 7;
params.func = amdgpu_vm_do_copy_ptes;
} else if (pages_addr) {
if (pages_addr) {
/* copy commands needed */
ndw += ncmds * 7;
@ -1579,7 +1570,7 @@ static int amdgpu_vm_bo_update_mapping(struct amdgpu_device *adev,
params.ib = &job->ibs[0];
if (!src && pages_addr) {
if (pages_addr) {
uint64_t *pte;
unsigned i;
@ -1656,7 +1647,7 @@ static int amdgpu_vm_bo_split_mapping(struct amdgpu_device *adev,
struct drm_mm_node *nodes,
struct dma_fence **fence)
{
uint64_t pfn, src = 0, start = mapping->start;
uint64_t pfn, start = mapping->start;
int r;
/* normally,bo_va->flags only contians READABLE and WIRTEABLE bit go here
@ -1711,8 +1702,7 @@ static int amdgpu_vm_bo_split_mapping(struct amdgpu_device *adev,
addr += pfn << PAGE_SHIFT;
last = min((uint64_t)mapping->last, start + max_entries - 1);
r = amdgpu_vm_bo_update_mapping(adev, exclusive,
src, pages_addr, vm,
r = amdgpu_vm_bo_update_mapping(adev, exclusive, pages_addr, vm,
start, last, flags, addr,
fence);
if (r)
@ -1973,7 +1963,7 @@ int amdgpu_vm_clear_freed(struct amdgpu_device *adev,
if (vm->pte_support_ats)
init_pte_value = AMDGPU_PTE_SYSTEM;
r = amdgpu_vm_bo_update_mapping(adev, NULL, 0, NULL, vm,
r = amdgpu_vm_bo_update_mapping(adev, NULL, NULL, vm,
mapping->start, mapping->last,
init_pte_value, 0, &f);
amdgpu_vm_free_mapping(adev, vm, mapping, f);